. >> and now on booktv, we want to introduce you to sam sorbo who's written a book called "they're your kids: an inspirational journey from doubter to self-advocate." are you a teacher? >> i am. >> how did you become a teacher? is. >> i started with my children. well, strangely, no. i started in college because i was a tutor in college. i tutored calculus. and that's how i learned calculus, actually. but when i started home schooling my kids is when i really became a teacher. and i would say we could all be teachers. but the school system has taught us that you can't teach it unless you have a degree or some sort of approval of some governing body that approves you as the teacher. and that's simply not the case. i think people as they, as they advance in their careers, they understand that they have something to offer, and they become teachers without that sort of approval. it's just that they've reached a certain level of success, and they feel that they have something to offer. but because of that be the i relate it back -- if i relate it back to parents, i think all parents could be